20298748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1249}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 37800000

約数和(自身を除く): 17501252

約数列:

[1, 2, 4, 17, 34, 68, 239, 478, 956, 1249, 2498, 4063, 4996, 8126, 16252, 21233, 42466, 84932, 298511, 597022, 1194044, 5074687, 10149374, 20298748]

約数ペア:

[(1, 20298748), (2, 10149374), (4, 5074687), (17, 1194044), (34, 597022), (68, 298511), (239, 84932), (478, 42466), (956, 21233), (1249, 16252), (2498, 8126), (4063, 4996)]